542147658 has 32 divisors (see below), whose sum is σ = 1168981632. Its totient is φ = 166632000.

The previous prime is 542147657. The next prime is 542147659. The reversal of 542147658 is 856741245.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (542147657) and next prime (542147659).

It is not an unprimeable number, because it can be changed into a prime (542147657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79483 + ... + 86033.

It is an arithmetic number, because the mean of its divisors is an integer number (36530676).

Almost surely, 2^542147658 is an apocalyptic number.

542147658 is an abundant number, since it is smaller than the sum of its proper divisors (626833974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542147658 is a wasteful number, since it uses less digits than its factorization.

542147658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7630.

The product of its digits is 268800, while the sum is 42.

The square root of 542147658 is about 23284.0644647793. The cubic root of 542147658 is about 815.4034200340.

The spelling of 542147658 in words is "five hundred forty-two million, one hundred forty-seven thousand, six hundred fifty-eight".